Update pricing UX, billing flows, and API rules

app/resources/views/components/input-error.blade.php

@@ -0,0 +1,9 @@
+@props(['messages'])
+
+@if ($messages)
+    <ul {{ $attributes->merge(['class' => 'text-sm text-red-500 dark:text-red-400 space-y-1']) }}>
+        @foreach ((array) $messages as $message)
+            <li>{{ $message }}</li>
+        @endforeach
+    </ul>
+@endif